Effect of rearing using an electrolyzed seawater on reduction of Vibrio parahaemolyticus from sea urchin [Strongylocentrotus nudus]
2006
Kimura, M.(Hokkaido. Central Fisheries Experiment Station, Yoichi (Japan)) | Mikami, K. | Hoshikawa, H. | Mori, T. | Kasai, H. | Yoshimizu, M.
A study was carried out in order to reduce the hygienic bacteria from sea urchin Strongylocentrotus nudus viscera. The effect of pre-culturing before shipment using electrolyzed seawater on reduction of Vibrio parahaemolyticus and viable bacteria inhabiting the sea urchin viscera was examined. When 3% salt water suspended with V. parahaemolyticus was electrolyzed, the viable number of V. parahaemolyticus was reduced by more than 99.99% after treatment with 0.23 mg/L chlorine for one minute. In the case of sea urchin reared with electrolyzed seawater containing O.76 mg/L chlorine for 2 days, a lot of dejecture was discharged, and the bacteria in the sea urchin viscera were reduced by more than 90%.
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